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All results from a given calculation for BH3NH3 (borane ammonia)

using model chemistry: MP2/CEP-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at MP2/CEP-31G*
 hartrees
Energy at 0K-16.090511
Energy at 298.15K-16.097320
HF Energy-15.843475
Nuclear repulsion energy25.357381
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at MP2/CEP-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3486 3309 9.53 85.58 0.01 0.02
2 A1 2441 2318 83.55 88.88 0.03 0.06
3 A1 1375 1305 166.33 6.11 0.15 0.26
4 A1 1194 1133 98.39 1.73 0.31 0.48
5 A1 642 609 25.86 3.97 0.42 0.59
6 A2 277 263 0.00 0.00 0.00 0.00
7 E 3635 3451 34.25 40.06 0.75 0.86
7 E 3635 3451 34.25 40.06 0.75 0.86
8 E 2547 2418 283.96 52.78 0.75 0.86
8 E 2547 2418 283.96 52.78 0.75 0.86
9 E 1715 1628 32.19 9.67 0.75 0.86
9 E 1715 1628 32.19 9.67 0.75 0.86
10 E 1190 1130 5.92 9.21 0.75 0.86
10 E 1190 1130 5.92 9.21 0.75 0.86
11 E 1070 1016 49.01 8.18 0.75 0.86
11 E 1070 1016 49.01 8.18 0.75 0.86
12 E 639 606 5.85 2.05 0.75 0.86
12 E 639 606 5.85 2.05 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 15502.0 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 14717.6 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at MP2/CEP-31G*
ABC
2.40984 0.57481 0.57481

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 -0.945
N2 0.000 0.000 0.737
H3 0.000 -1.181 -1.249
H4 -1.023 0.591 -1.249
H5 1.023 0.591 -1.249
H6 0.000 0.958 1.103
H7 -0.830 -0.479 1.103
H8 0.830 -0.479 1.103

Atom - Atom Distances (Å)
  B1 N2 H3 H4 H5 H6 H7 H8
B11.68201.21991.21991.21992.26122.26122.2612
N21.68202.31142.31142.31141.02591.02591.0259
H31.21992.31142.04592.04593.18022.59192.5919
H41.21992.31142.04592.04592.59192.59193.1802
H51.21992.31142.04592.04592.59193.18022.5919
H62.26121.02593.18022.59192.59191.66001.6600
H72.26121.02592.59192.59193.18021.66001.6600
H82.26121.02592.59193.18022.59191.66001.6600

picture of borane ammonia state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 N2 H6 110.909 B1 N2 H7 110.909
B1 N2 H8 110.909 N2 B1 H3 104.470
N2 B1 H4 104.470 N2 B1 H5 104.470
H3 B1 H4 113.976 H3 B1 H5 113.976
H4 B1 H5 113.975 H6 N2 H7 107.996
H6 N2 H8 107.996 H7 N2 H8 107.996
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability